1. Screen size: 2.8 inch TFT color screen 2. Test range: 6V / 12V(100-2000 CCA) 3. Operating voltage: 5-32V 4. Operating temperature: -20~65 degree Celsius 5. Material: PVC 6. Language: English, French, Spanish, Italian, Russian, German, Portuguese, Polish, Japanese, Traditional Chinese, Simplified Chinese 7. Mini USB interface. It is used for software upgrade, no need to install driver, the process is simple and easy to operate.